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How wolves change rivers
Video by YouTube

Beautiful photography…turn your sound up and listen to the howling of the wolves!
How Wolves Change Rivers

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers?

"When we try to pick out anything by itself, we find it hitched to everything else in the Universe."
- John Muir

"Excellent parallel to what happens in the sea" Roger Grace

Added: 07/30/2014
Tags: Foodchains | Habitats

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